Suggest you ask the same question here: http://coltforum.com/forums/forumdisplay.php?f=17

These folks are real Python hounds and can easily answer all your questions. Of course, some of the same individuals post here, so you may getyour answer on this board as well.

If your Python is truely unfired with original box, it will easily bring $1400. I recently listed a stainless Python (used, but in "nice" condition) on Gunbroker for $1300. It didn't last the first hour.